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12-10-2018
Mathematics

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Which shows one more way to determine the factors of x^3 -9x^2 + 5x -45 by grouping. X^2 (x-9) -5(x-9)
X^2(x+9)-5(x+9)

Respuesta :

12-10-2018

The given equation is :

[tex]x^3-9x^2+5x-45[/tex]

Take out GCF from the first pair and the second pair

[tex]x^2(x-9)+5(x-9)[/tex]

Now (x-9) is common so

[tex](x-9)(x^2+5)[/tex]

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